package test1225;

public class Test01 {
    public static void main(String[] args) {

        // 返回3个变量中的最大值
        int a = 2;
        float b = 3.0F;
        double c = 4.0;
        double d = m01(a, b, c);
        System.out.println(d);

    }
    public static double m01(int a, float b, double c) {
        double max = Math.max((double) a, (double) b);
        return Math.max(max, c);
    }
}
